397304595 has 20 divisors (see below), whose sum is σ = 712206000. Its totient is φ = 211895568.

The previous prime is 397304581. The next prime is 397304597. The reversal of 397304595 is 595403793.

It is not a de Polignac number, because 397304595 - 2¹⁴ = 397288211 is a prime.

It is a super-2 number, since 2×397304595² = 315701882416228050, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 397304595.

It is not an unprimeable number, because it can be changed into a prime (397304597) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 490095 + ... + 490904.

It is an arithmetic number, because the mean of its divisors is an integer number (35610300).

Almost surely, 2^397304595 is an apocalyptic number.

397304595 is a deficient number, since it is larger than the sum of its proper divisors (314901405).

397304595 is an equidigital number, since it uses as much as digits as its factorization.

397304595 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 981016 (or 981007 counting only the distinct ones).

The product of its (nonzero) digits is 510300, while the sum is 45.

The square root of 397304595 is about 19932.5009720306. The cubic root of 397304595 is about 735.1475755319.

The spelling of 397304595 in words is "three hundred ninety-seven million, three hundred four thousand, five hundred ninety-five".